FASTLINK - the first 4K ULTRA HD television supplier in Lithuania! Read the article: https://www.delfi.lt/mokslas/technologijos/4k-arba-uhd-raiskos-televizija-atejo-i-lietuva.d?id=76634389 .
You may have noticed that you can buy a 4K Ultra HD TV without any hassle, but what are the options for viewing 4K and Ultra HD content?
If you're just getting used to the granularity of HD content, we've got some bad news for you because you'll have to rehearse with a new high definition format. It's called 4K, and if you thought HD had a lot of pixels, we have to surprise you!
4K (or Ultra HD) has enough pixels to fill four (!) Full HD 1080p screens. With four times as many pixels, you can get four times as much detail.
This is most useful if you have a TV with a screen size of 50 inches or larger.
The reason for this is the amount of pixels a 4K TV has. With traditional HD limited to 1920 vertical lines and 1080 horizontal lines consisting of pixels, Ultra HD has 3840 and 2160 lines, respectively, which is just below the 4096x2160 resolution used in movie theater screens.
You may already have been wary of new TV technologies that are trying to convince you to get rid of such hard-earned money (thanks to 3D technology), but when it comes to 4K, it's hard to find reasons not to upgrade your hardware.
The biggest problem was that 4K equipment cost thousands, but as technology advances, prices have changed dramatically and even cheaper equipment supports 4K.
When making a final decision to purchase 4K hardware, other cool technologies such as HDR, Quantum Dot, and OLED, which we won't expand on this time, may be the main criteria.
Before we continue, we present a short video in English about 4K technology.
What is 4K?
In short, 4K stands for a clearer picture. More pixels (8 294 400 more accurately) produce a sharper and more detailed image on the screen than standard HD video pixels.
And that's all?
What is the resolution of 4K?
4K resolution, at least as most TV manufacturers describe it, is 3840x2160 or 2160p. By comparison, Full HD 1080p image is only 1920x1080 resolution. 4K displays have over 8 million pixels, which is about 4 times the size of any Full HD 1080p TV screen.
Imagine that your TV is a grid that has rows and columns. The Full HD 1080p image is 1080 rows high and 1920 column wide. A 4K image has twice as many rows and columns, which means four times as many pixels. On the other hand, all pixels that fit on a Full HD 1080p screen can be fit into a quarter of a 4K screen for comparison purposes.
Comparison of Full HD and 4K Ultra HD resolutions
Why is it called 4K?
Because the images are about 4,000 pixels wide. Before you ask, we will answer that yes, the Full HD 1080p resolution was named after the image height and 4K was named after the width. Also, this resolution is sometimes called 2160p, which is a bit confusing. Welcome to the future!
Do all these extra pixels matter?
It means a lot. More pixels mean more information. More information means a clearer picture. A clearer picture is more attractive. More attractive content is cool. And cool content is fun, isn't it?
So, will I see a big difference?
This is where things get trickier. We are talking about a resolution jump like that between SD (480 lines high) and HD (1080 lines high). 4K screens are noticeably clearer than Full HD 1080p screens. However, there are a few reasons why you may not feel the same satisfaction you felt when you replaced your old TV with a new widescreen.
When most people switched from SD 480 to Full HD 1080p TVs, there was a strong likelihood that the size of their TVs would increase dramatically. As for the impression factor, screen size is a far more impressive criterion than any jump in resolution can ever be. Last time, many people had the opportunity to increase the size of both the screen and the resolution. However, this time around, screen sizes remain the same, with the most popular models falling in the 40-70-inch diagonal.
Most importantly, you will only see the difference in resolution if you have 4K support equipment, watch 4K content and sit close enough to the screen.
Do I need sit closer to the screen?
Yes. Remember how Apple made a big fuss about retina screens? Retina describes screens that have enough resolution to prevent your eyes from seeing individual pixels from a normal viewing distance. Get away enough from the Full HD 1080p TV screen and lo and behold, the screen is thinning! More importantly, at the same distance, your eyes will not distinguish 4K video from Full HD 1080p. If you are "thinning away" from a Full HD 1080p TV and don't plan to move your couch closer, buying a 4K TV doesn't make sense.
So, should I sit closer?
Really so! Being closer to the screen and seeing quality picture is one of the best features of 4K. Sitting closer allows the same size screen to fill more field of view, which means more excitement. This is one reason why 4K computer monitors have become one of the most growing markets for this technology. On 4K monitors, the image remains clear even from half a meter or less.
What's the difference between Ultra HD and 4K?
Technically, Ultra High Definition came from the standard of 4K digital cinema. However, if the 4K resolution is 4096x2160, the Ultra HD is slightly lower - 3840x2160. This is one reason why some manufacturers do not use the 4K term at all and instead refer to Ultra HD or UHD.
Why should I care about 4K Ultra HD?
There are many reasons why 4K should make you consider purchasing a new TV (and other equipment), and not all of them are obvious.
Photographers who constantly watch their work on an HD TV only see a small portion of the image.
4K reveals much more detail and nuance, and the difference can be simply staggering. If 3D technology is whimsical enough, 4K has no such drawbacks. Higher resolution is simply better.
Higher pixel density allows you to observe the image at a much closer distance without having to see the grid structure, which means you can look at a much larger screen from the same distance. Currently, all 4K and Ultra HD TVs are over 50 inches on screen.
What is 8K?
This is the next resolution standard after 4K. It has twice as many pixels as rows and columns, about 32 million pixels in total.
Sounds cool. Can I get it?
Definitely no. The 8K standard is exclusively for the demo market, such as cinemas. For so many pixels to make sense, you should sit very close to the gigantic screen. Also, you wouldn't be buying an 8K screen today unless you have a special order, which could probably only be bought by Antanas Guoga. Also, you won't find 8K content you could buy. You should go straight to the filmmakers, which is what cinemas do.
Ok, so what about 4K content? Can I get it?
There is not a lot of 4K streaming content, but with the purchase of a 4K UHD receiver and several digital UHD movies, you can enjoy the benefits of this technology.
Why most countries do not broadcast 4K TV?
Because a 4K frame holds 4 times more information than a standard HD frame, 4K content is 4 times "heavier" in terms of file size. Therefore, this causes difficulties for television service providers to provide such content to viewers.
Does Fastlink provide 4K TV?
Fastlink service provider capable of offering 4K content to its customers. You must have a 4K TV, a Fastlink 4K TVIP S-BOX v.605 and order a Fastlink Smart TV to see it. For more information call 8 5 248 44 49 or write by e-mail firstname.lastname@example.org
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